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Topic: Story from BBC NEWS:-oA== Coffee 'could prevent (88 lines)
1) From: susan oppenheim
 Drinking coffee protects against an eyelid spasm that can lead to
blindness, a study suggests.
Italian researchers looked at the coffee drinking and smoking habits of 166
people with blepharospasm.
Sufferers have uncontrollable twitching of the eyelid which, in extreme
cases, stops them being able to see.
One or two cups of coffee a day seemed to reduce the risk of the condition,
the team reported in the Journal of Neurology, Neurosurgery and Psychiatry.
    The most obvious candidate for the protective effect is caffeine, but
the low frequency of decaffeinated coffee intake in Italy prevented us from
examining the effects of caffeine on blepharospasm
Professor Giovanni Defazio
Blepharospasm is a form of dystonia - a neurological movement disorder
involving involuntary and sustained muscle contractions.
It usually affects people aged between 50 and 70 and someone with
blepharospasm may be unable to prevent their eyes from clamping shut, so
that, at times, they are effectively "blind".
The first symptoms may include eye irritation and discomfort, sensitivity to
light and increased blinking.
Professor Giovanni Defazio and colleagues from the Department of
Neurological and Psychiatric Sciences University of Bari in Italy said a
previous study had suggested smoking had a protective effect on the
condition. 
They compared smoking and drinking habits in patients with the condition
with patients with hemifacial spasm (a similar muscle spasm that usually
begins in the eyelid muscles but then spreads to involve other muscles of
the face) and people who were relatives of patients.
Doubts raised 
In the current study there was no significant association found with smoking
but those who drank coffee were less likely to develop the condition.
The effect was proportional to the amount of coffee drunk and the age of
onset of the spasm was also found to be greater in patients who drank more
coffee - 1.7 years for each additional cup per day.
Professor Defazio said: "Our findings raise doubt about the association of
smoking and blepharospasm but strongly suggest coffee as a protective
factor. 
"The most obvious candidate for the protective effect is caffeine, but the
low frequency of decaffeinated coffee intake in Italy prevented us from
examining the effects of caffeine on blepharospasm."
He suggested that caffeine may block receptors in the brain that are
associated with the tremor and explained a similar mechanism had been
proposed for the protective effects of caffeine in Parkinson's disease.
Professor David Wong, spokesman for the Royal College of Ophthalmologists,
said the condition was fairly rare.
"Sometimes the condition is so bad that the patients spend most of the time
with their eyes closed - they are effectively then visually impaired.
"Eye doctors treat patients mainly these days with Botulinum toxin."
Professor Kailash Bhatia, professor of clinical neurology at the UCL
Institute of Neurology in London said although the condition seemed to be
rare it could be under reported.
"This is an interesting finding, if you knew exactly how this worked it
would help to develop treatments or preventive measures.
"It's something to look at in more detail."
Dr Tom Warner, medical adviser to the Dystonia Society, said a much larger
study was needed to confirm the findings.
"Whilst the data is fascinating and offers new areas of research, it should
not be accepted as a proven association and certainly does not mean we
should be addressing our coffee intake."


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